If There Was a Global/planetary Flag, What Should it be and why?

Conservatives will get triggered, but the rainbow flag is one.

It represents the visible light spectrum humans see.

I disagree with the use of the rainbow flag as a planetary symbol. It's simply too colorful. I would opt for a single, dark red, sun, in the middle of a dark patch of blackness representing space (basically, the emo version of Japan's flag). Plus, the sun is one of the few things that is a constant for our world, at least for now, and I don't think there could be much argument that it doesn't represent every country.

I would say the best color would be brown since the unifying constant trait of all people right now across the globe is that they shit and die and turn to dust.

Well, the United Nations Flag would be appropriate.

But that would be the first lie we told ET.

So a North Korean flag maybe? No? Okay.

emo? Just draw a flag with pony cutting its own wrists. That will scare the aliens.

Picture of the Earth, in some form.

I suppose if we were spacefaring, picture of our sun would make sense,

As TheApprentice suggests #2

Or maybe multiple planets, suns, depending on our progress.

Not sure about the sun being 'red. . . Maybe yellow. . .

Or white? https://www.wtamu.edu/~cbaird/sq/2013/07/03/what-is-the-color-of-the-sun/

Aliens might also have color spectrum,

But they don't have 'our Earth,

And 'maybe not our sun.

The world (America) already has a flag.

It should be my profile pic which is a fusion reactor.  It would show extraterrestrials that we are for fusion of lifeforms.

I would rather not fuse with extraterrestrials. I can barely even fuse with humans. Some people told me that they feel physical pain when talking to me, so thats why people dont want me in their company.

Well, it also lets extraterrestrials know that we have nuclear fusion bombs.

Never bring a fission/fusion bomb to a singularity bomb fight.

How about my Avatar, that might be a good one, misleading, but something to shoot for.

Aliens won't need to be told what to shoot at.

When they find out Republicans hate aliens, they will know who to shoot at, especially if the Aliens aren't white.

Everyone's a Republican implicitly. Silence is violence.

If aliens are on the internet, they will probably shoot you first.

Off to work, I'll leave you with this:  Fuck.

I for one welcome the Alien overlords.